VOA慢速英语:Group in Estonia Helps NATO’s Computer Defenses

短语讲解：

1. Each year, the alliance carries out a war game in which NATO forces try to protect a make-believe country from cyber attack.

carry out 进行; 执行; 完成
例句：No matter what we do, we must carry out our duties.
无论干什么工作,我们都应履行自己的职责。

2. "We strongly believe that in order to build or have a good defense, you should understand how the attack works, how the offense works."

in order to 为了…
例句：She oiled her words in order to sound persuasive.
她使用花言巧语使话有说服力。

3. In comparison, the United States was fifth on that list.

in comparison 相比之下
例句：A train is slow in comparison with a plane.
同飞机比较，火车走得慢。

4. The attack took place during Estonia’s dispute with Russia about the relocation of a marker called the Bronze Soldier of Tallinn.

take place 发生，举行
例句：Earthquakes take place far underground.
地震则发生在地球的极深处。